[INFO] cloning repository https://github.com/NicoMeloni/Blockchain-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicoMeloni/Blockchain-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoMeloni%2FBlockchain-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoMeloni%2FBlockchain-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aef24099cb28a0e4ed76eddfa778bc24b78eacb
[INFO] testing NicoMeloni/Blockchain-in-Rust against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoMeloni%2FBlockchain-in-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NicoMeloni/Blockchain-in-Rust
[INFO] finished tweaking git repo https://github.com/NicoMeloni/Blockchain-in-Rust
[INFO] tweaked toml for git repo https://github.com/NicoMeloni/Blockchain-in-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NicoMeloni/Blockchain-in-Rust on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NicoMeloni/Blockchain-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding hex v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afd9ead63c4237d3b4cbd0fdd330ba07ec28ce2278f50791f4fb35bf4cdcc1e1
[INFO] running `Command { std: "docker" "start" "-a" "afd9ead63c4237d3b4cbd0fdd330ba07ec28ce2278f50791f4fb35bf4cdcc1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afd9ead63c4237d3b4cbd0fdd330ba07ec28ce2278f50791f4fb35bf4cdcc1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd9ead63c4237d3b4cbd0fdd330ba07ec28ce2278f50791f4fb35bf4cdcc1e1", kill_on_drop: false }`
[INFO] [stdout] afd9ead63c4237d3b4cbd0fdd330ba07ec28ce2278f50791f4fb35bf4cdcc1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7319834cf55aa98176066c1e7e44bec440d9acc3ecbd86659615b818eb4041a7
[INFO] running `Command { std: "docker" "start" "-a" "7319834cf55aa98176066c1e7e44bec440d9acc3ecbd86659615b818eb4041a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling Blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use serde::{Deserialize, Serialize};
[INFO] [stdout]   |         ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `crypto_hash`
[INFO] [stdout]  --> src/hashable.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 |         crypto_hash::digest(crypto_hash::Algorithm::SHA256, &self.bytes())
[INFO] [stdout]   |                             ^^^^^^^^^^^ use of unresolved module or unlinked crate `crypto_hash`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `crypto_hash`, use `cargo add crypto_hash` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `crypto_hash`
[INFO] [stdout]  --> src/hashable.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         crypto_hash::digest(crypto_hash::Algorithm::SHA256, &self.bytes())
[INFO] [stdout]   |         ^^^^^^^^^^^ use of unresolved module or unlinked crate `crypto_hash`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `crypto_hash`, use `cargo add crypto_hash` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `coinbases` is never read
[INFO] [stdout]   --> src/blockchain.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 coinbases += 1;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Blockchain` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7319834cf55aa98176066c1e7e44bec440d9acc3ecbd86659615b818eb4041a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7319834cf55aa98176066c1e7e44bec440d9acc3ecbd86659615b818eb4041a7", kill_on_drop: false }`
[INFO] [stdout] 7319834cf55aa98176066c1e7e44bec440d9acc3ecbd86659615b818eb4041a7